Não informado. (1881). Proceedings of the American Water Works Association. American Water Works Association.
Citace podle Chicago (17th ed.)Não informado. Proceedings of the American Water Works Association. Denver, Colo: American Water Works Association, 1881.
Citace podle MLA (8th ed.)Não informado. Proceedings of the American Water Works Association. American Water Works Association, 1881.
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